AM_Ronneburgite Formula: Mn V4 K2 O12 Name: Ronneburgite Unit cell: 8.183 9.247 8.651 90.0 109.74 90.0 , V=616.14 Space group: P121/N1 (14)

Witzke T , Zhen S , Seff K , Doering T , Nasdala L , Kolitsch U , American Mineralogist , 86 (2001) p.1081-1086, Ronneburgite, K2MnV4O12, a new mineral from Ronneburg, Thuringia, Germany:, Description and crystal structure